Furtwängler, Wilhelm. (1886-1954) & Borries, Siegfried. (1912 -1980) Signed Program Photograph1951 Berlin Philharmonic program, boldly signed by the conductor in pencil on the front cover beneath his image and signed additionally in ink by the longtime Berlin Philharmonic Concertmaster, violinist Siegfried Borries. Together with a ticket stub from the performance, which included works by Haydn, Brahms, Wagner and Strauss's "Don Juan," with solos performed by Borries. The program with a horizontal and vertical creases through the middle,